In subsection (b), the words âThe organized militia, which consists of the National Guard and the Naval Militiaâ are substituted for the words âthe National Guard, the Naval Militiaâ, since the National Guard and the Naval Militia constitute the organized militia.
The hardness of the wire refers to the malleability. Hardness also differs by material. Sterling is harder than copper. Brass and bronze tend to be stiffer than both copper and sterling. When youâre working with very fine gauges, hardness is a bit irrelevant, since fine gauge wires are so thin and pliable.
Brass can have several other chemical compositions depending on the specific form. For example, Free Cutting Brass is an easily machineable grade commonly available in round, square and rectangular bars. Free Cutting Brass has a nominal composition of 61% copper and 35% zinc, with the remainder being lead and iron. It's the lead that gives it the superior machineability.